luke's teacher tried to protect her kids. so you're in the classroom, and mrs. mckenzie is -- is she calm, is she excited? how was she? >> she was crying. >> reporter: mrs. mckenzie was crying? >> yeah. >> reporter: because it must have pretty scary. >> yeah. but then like our next door teacher said to come to her classroom. >> reporter: so you all went in there? >> yeah because probably the gunman was going to come in our classroom. >> reporter: fortunately for luke and his classmates, the gunman never made it to their classroom. but even as they were ushered to safety at a nearby fire house, the kids were very scared. and luke bravely wanted to help calm them. >> they were crying. i was like, it's okay. my dad is a cop, and he'll like help us. >> reporter: his dad, luke ramirez, is a police officer in the neighboring town of oxford. and he did come. he was one of the first responders on the scene. >> i saw my husband was calling. i picked up the phone right away. and i hear the terror in his voice telling me something terrible happened. you have to get here to